Brain Tumors Flashcards Preview

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Flashcards in Brain Tumors Deck (19):
1

Most common ADULT brain tumor

Metastasis
Glioblastoma
Meningioma
Schwannoma

2

Most common Child Braintumors

Pilocytic Astrocytoma
Medulloblastoma
Ependymoma

3

"Pseudopalisading" pleomorphic tumor cells

Glioblastoma multiforme (grade IV astrocytoma)

4

Stains astrocytes for GFAP

Glioblastoma multiforme (grade IV astrocytoma) in ADULTS
Pilocytic (low grade) astrocytoma in CHILDREN

5

Arises from arachnoid cells

Meningioma

6

Whorled pattern; psammoma bodies

Meningtioma

7

Associated with von-Hippel-Lindau syndrome

Hemangioma

8

Can produce epo--> secondary polycythemia

Hemagioblastoma

9

Neurofibromatosis type 2

Schwannoma (meningioma as well)

10

Foamy cells, high vascularity

Hemangioblastoma

11

CN VIII

vestibular schwannoma

12

S-100+

Schwanomma

13

"fried egg" round nuclei with clear cytoplasm

Oligodendroglioma

14

Rosenthal fibers- eosinophilic, corkscrew fibers

Pilocytic (low-grade) astrocytoma

15

Homer-Wright rosetts

Medulloblastoma

16

Can compress 4th ventricle

Medulloblastoma and Ependymoma

17

Can cause hydrocephalus

Ependymoma

18

Most common childhood supratentorial tumor

Craniopharyngioma

19

Derived from Rathke pouch

Craniopharyngioma